How Deep Are The Deepest Places On Earth?
Krubera Cave is the only natural formation on Earth that extends deeper than two kilometers. That depth was reached in 2012, when Ukrainian diver Gennadiy Samokhin dove into the terminal sump of the cave for 52 meters. His dive brought the total depth of the cave to 2,197 meters. But even natural depths such as this and the Mariana Trench aren't as deep as the Kola Superdeep Borehole. The deepest part of this hole was drilled in 1989. Drilling had to cease in 1992, however, because the temperatures at that depth were around 180 °C (356 °F), and the drill bit would not function in the temperatures predicted at deeper points.
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Key Facts In This Video
The Mponeng Gold Mind is the deepest mine in the world. 03:01
Krubera Cave is the only natural formation known to man that is greater than 2 kilometers (1.2 miles) deep. 05:24
The Kola Superdeep Borehole is the deepest artificial point in the world, reaching 12 km into the Earth's crust. 09:21
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